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Finding the Fourth Proportional to 54,846.78, 75,688.86 and 29,696.28

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Solution

The fourth proportional to 54,846.78, 75,688.86 and 29,696.28 is: 40,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,846.78 : 75,688.86 = 29,696.28 : x
  2. Step 2: Convert to fraction form
    54,846.78/75,688.86 = 29,696.28/x
  3. Step 3: Cross multiply
    54,846.78x = 75,688.86 × 29,696.28
  4. Step 4: Simplify right side
    54,846.78x = 2,247,677,579.44
  5. Step 5: Solve for x
    x = 2,247,677,579.44/54,846.78
  6. Step 6: Final answer
    x = 40,981.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.